Sirius 12.9 Grade Socket Head Cap Screws M16 280mm Pack of 1

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Sirius 12.9 Grade Socket Head Cap Screws M16 280mm Pack of 1

This Sirius black socket head cap screw delivers exceptional tensile strength and durability for the most demanding mechanical and structural applications. Manufactured from high-grade alloy steel and heat-treated to Grade 12.9, it provides superior clamping force and resistance to shear and fatigue, making it ideal for use in automotive, industrial machinery, and heavy equipment where reliability under extreme stress is critical. The black oxide finish offers moderate corrosion resistance and a professional appearance.

- Grade 12.9 alloy steel – one of the highest strength grades available for socket head cap screws

- Black oxide finish for improved corrosion resistance and reduced galling during installation

- M16 thread diameter with a coarse pitch for secure fastening in a wide range of materials

- 280mm overall length, partially threaded after the first 40mm to optimise grip depth and reduce stress risers

- Hex socket drive allows for high torque application using standard Allen keys or power tools

- Pack of 1 ensures you receive exactly one screw, ideal for replacements or small projects

- Fully threaded up to 40mm, then partial threading to provide a smooth unthreaded shank for alignment

Perfect for heavy-duty bolting applications where strength and precision are non-negotiable.

GTIN: 5056293254991